From f92aac6cd6199a633096de8aca1acfe4c5149cd2 Mon Sep 17 00:00:00 2001
From: Gautham Goli <goligautham@gmail.com>
Date: Sun, 11 Nov 2018 20:17:33 +0530
Subject: [PATCH] postinstall: Use CLI::Parser to parse args

---
 Library/Homebrew/cmd/postinstall.rb | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/Library/Homebrew/cmd/postinstall.rb b/Library/Homebrew/cmd/postinstall.rb
index 77320c2042..7db46b56e1 100644
--- a/Library/Homebrew/cmd/postinstall.rb
+++ b/Library/Homebrew/cmd/postinstall.rb
@@ -3,11 +3,27 @@
 
 require "sandbox"
 require "formula_installer"
+require "cli_parser"
 
 module Homebrew
   module_function
 
+  def postinstall_args
+    Homebrew::CLI::Parser.new do
+      usage_banner <<~EOS
+        `postinstall` <formula>
+
+        Rerun the post-install steps for <formula>.
+      EOS
+      switch :verbose
+      switch :force
+      switch :debug
+    end
+  end
+
   def postinstall
+    postinstall_args.parse
+
     ARGV.resolved_formulae.each do |f|
       ohai "Postinstalling #{f}"
       fi = FormulaInstaller.new(f)